Unformatted text preview: 414 . 3 8 / 011287635 . 225 . 3 238625 . 3 / === n s x t Because 365 . 2 414 . 3 = t , we reject the null hypothesis and conclude that actual population mean differs from 3.225. (c) State the relationship between confidence interval and hypothesis testing by referring to your answers to (a) and (b). Testing hypothesis 225 . 3 : = H versus 225 . 3 : 1 ≠ H at 05 . = level is equivalent to computing a % 95 confidence interval on . If 3.225 is outside the confidence interval, we will reject the null hypothesis; on the other hand, if 3.225 is within the confidence interval, we will not reject the null hypothesis....
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 Spring '11
 Qiu

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